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A Systematic Study on the Rise Time–Peak Luminosity Relation for Bright Optical Transients Powered by Wind Shock Breakout
The Astrophysical Journal ( IF 4.8 ) Pub Date : 2020-08-12 , DOI: 10.3847/1538-4357/aba0ba
Akihiro Suzuki 1 , Takashi J. Moriya 1, 2, 3 , Tomoya Takiwaki 1, 2
Affiliation  

A number of astrophyical transients originating from stellar explosions are powered by the collision of the ejected material with the circumstellar medium, which efficiently produces thermal radiation via shock dissipation. We investigate how such interaction-powered transients are distributed in the peak bolometric luminosity vs the rise time phase space. Taking the advantage of less time-consuming one-dimensional simulations with spherical symmetry, we calculated more than 500 models with different circumstellar mass and radius, ejecta mass and energy, and chemical compositions. The peak bolometric luminosity, the total radiated energy, and the rise time of the interaction-powered emission are measured for each simulated light curve. We consider how these characteristic quantities are determined as a function of the model parameters and discuss possible implications for the observed populations of (potential) interaction-powered transients, such as type IIn supernovae and fast blue optical transients.

中文翻译:

风激爆发驱动的亮光瞬变上升时间-峰值光度关系的系统研究

许多源自恒星爆炸的天体瞬变由喷射物质与星周介质的碰撞提供动力,星周介质通过激波消散有效地产生热辐射。我们研究了这种相互作用驱动的瞬变如何在峰值热光度与上升时间相空间中分布。利用具有球对称性的耗时较少的一维模拟,我们计算了 500 多个具有不同星周质量和半径、喷射物质量和能量以及化学成分的模型。测量每个模拟光曲线的峰值热光度、总辐射能量和相互作用驱动发射的上升时间。
更新日期:2020-08-12
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